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Fast and reliable channel classification algorithms in bluetooth networks to detect and avoid 2.4 GHz interferers

  • US 7,995,687 B2
  • Filed: 03/05/2007
  • Issued: 08/09/2011
  • Est. Priority Date: 03/05/2007
  • Status: Expired due to Fees
First Claim
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1. A method for frequency selection in a wireless communication system, the method comprising:

  • in a wireless device;

    performing at least one signal strength measurement on a corresponding at least one Bluetooth signal received at a current selected frequency;

    processing at least one data packet received via said received at least one Bluetooth signal to determine the presence of bit errors;

    characterizing said received at least one Bluetooth signal received at said current selected frequency based on said at least one signal strength measurement and/or said processing said at least one data packet;

    classifying said current selected frequency based on said characterization of said received at least one Bluetooth signal received at said current selected frequency, and based on an assessment of said current selected frequency received from one or more additional wireless devices; and

    selecting, during adaptive frequency hopping (AFH), said current selected frequency based on said classification.

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